Authentic Castore-designed Athletic Club Bilbao home jersey featuring the club’s iconic red-and-white vertical stripes. Constructed with AERTEK performance fabric for breathability and moisture-wicking, this short-sleeve football shirt includes a black V-neck collar with white piping and matching black trim on sleeve cuffs. The chest displays the official Athletic Club Bilbao crest (shield with red-and-white stripes, 'ATHLETIC CLUB BILBAO' text, and crossed axes) and the main sponsor 'Kutxabank' in bold black lettering with a stylized 'K'. The inner collar bears repeated 'CASTORE' branding, confirming the manufacturer. Ideal for fans and collectors, this replica jersey captures the heritage and modern sportswear aesthetics of the Basque club. Perfect for matchdays, casual wear, or streetwear styling—pairs well with jeans or shorts. Lightweight, stretchable fit ensures comfort during activity or daily wear. Seasonally versatile for spring, summer, and early fall.